Telephone system



July 28, 1942.

H. N. NEwSTED-r v TELEPHONE SYSTEM original Filed Feb. 1, 1940 20 Sheets-Sheet l MM TTORNEYS July 28, 1942 H. N. Nr-:wsTED'r 2,291,497

TELEPHONE SYSTEM Original Filed Feb. l, 1940 ZOZSBeetS-Sheet 2 Fig-1S.

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' INVENTOR Hgrry M Newsed B- ATTORNEYS July 28, 1942. H. N. NEwsTED-rv TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 Sheets-Sheet 3 ,f l0 Y) 3 X @D @302, X R360 I RA352 h y :TY HNDER "H'l'l[ xz gx SWITCH Raam; f I C303/ Rnaezm C304 TO'O''N. RA353`^ f 1 BAM@ l RAaea agg-!) C3077 30193l /E M354 3f5; A C372;

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INVENTOR Harry N Neulsedt BY n u g ATTORNEYS July 28,1942. H. N. NEwsTEDT 2,291,497

. TELEPHONE SYSTEM Original Filed Feb. l,` 1940 20 Sheets-Sheet 4 Fl 4 l J Loc/u. coNNfcToR 25 694? c6941 L-PA 410/' PULSE GEN. 456

A ORNEVYS July 28. 1942# y H. N. Nleiws'n-:D'ry 2,291,497

TELEPHONE SYSTEMl l origina Filed Feb. 1, 1940 2o sheets-sheet 5 CNNECTOR 25 M25/4 INVENToR Har/y N News fed ATTORNEYS July 28, 1942.

H. N. NEWSTEDT TELEPHONE SYSTEM original Filed Feb. 1, 194,0 2o sheets-Sheet' e mees iff/'$52 INVENToR .,BY. 'nv-i n ZZ ATTORNEYS July 28, 1942- H. N. NEwsTl-:DT

TELEPHONE ySYSTEM l original Filed Feb. 1, 1940 ZONE METER/NG CIRCUIT 30 2O Sheets-Sheet '7 INVENTOR Har/1y N Neuisedz tay TIT.

ORNEYS July 28,j 1942.

H. N.- NEWSTEDT TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 SheeS-Sheeil 8 e735; i697 L y v P4654 669 h- 4 4 896 'ITORNEYS July 28, 1942.

Original Filed Feb. '1, 1940 H. N. NEWSTEDT TELEPHONE SYSTEM infomatie Switching 14H00/ams @al Off/'ce #E Tande/ uMf/'c EIC/lan Fig. E

l l I 70 Line 20 SheeLs--Sheerl 9 INVENTOR V Har/:y M Neusiedl BY MfMLyMM ATTORNEYS July 28, 1942- H. N. NEwsTED-r 2,291,497

TELEPHONE SYSTEM original Filed Feb. 1, I194() 20. sheets-sheet 1o ATTORNEYS H. N. NEwsTEDT 2,291,497

TELEPHONE SYSTEM Og original med Feb. 1, 1940 2o sheets-sheet 11 July 28, 1942.

` ,M im ATTORNEYS July 28, 1942. N, NEwsTED-r 2,291,497

TELEPHONE SYSTEM l Original Filed Feb. l, 1940 2O Sheets-Sheet 12 f Pe/oeaer 70 027g l j :P4/2m m26/ m76 C/772 4 2A24/2,2

/34/203 'Q4/25V 34/24/ [B4/274 Trunk Circa/' Manual Office #2 INVENTOR Har/31N Nezusea/ ATTORNEYS July 28, 1942. H. N. Nr-:wsTr-:DT 2,291,497

TELEPHONE SYSTEM Original Filed Feb. l, 1940 20 Sheets-Sheet 17 1N VENTOR.

ATTORNEYS July 28, 1942. H. N. NEws'rEDT 2,291,497

' TELEPHONE SYSTEM original Filed Feb. 1, 1940 i 2o sheets-sheet 18 A f A M973 fAv1/902 M964 o/99/ iig/H903 K INVENTOR. Har/:y N Neustadt ATTORNEYS 

